NZ Historic Weather Events Catalogue
May 2004 Auckland Flooding
(
2004-05-01
)
30 years
Heavy rain fell in Northland, Auckland and the Coromandel, and caused flooding in Henderson. People were evacuated at Henderson and properties were damaged.
North Island
Multi Hazard
at
North Island
Duration: 2 days - From the 1st to the 2nd of May.
On the 1st, an occluded front moved south-east on to northern New Zealand. Moist unstable air along the front where low level convergence was taking place brought heavy rain. The front moved slowly across the Auckland region overnight on the 1st/2nd.
Northland
Heavy Rain
at
Northland
High rainfall of 50-100 mm (5.0-10.0 cm) occurred in Northland, Auckland and Coromandel on the 1st.
Auckland
Heavy Rain
at
Auckland
High rainfall of 50-100 mm (5.0-10.0 cm) occurred in Northland, Auckland and Coromandel on the 1st.
Heavy Rain
at
Auckland International Airport
Auckland Airport recorded 84.4 mm (8.4 cm) of rain in 19 hours on the 1st.
Auckland Airport recorded 17 mm (1.7 cm) of rain in one hour on the 1st.
Heavy Rain
at
Henderson
Henderson recorded 90 mm (9.0 cm) of rain in 24 hours on the 1st.
Henderson recorded 30 mm (3.0 cm) of rain in 30 minutes on the 1st.
Steady rain was followed by a sudden thunderstorm.
Flooding
The torrential rain caused Opanuku Stream at the eastern foot of the Waitakere Ranges to suddenly flood and burst its banks, inundating 40 houses on Henderson Valley Road.
The water was over 1 m deep inside houses and garages.
20 houses were evacuated at Henderson due to the flooding.
The flood waters soaked homes, flattened fences and ruined appliances.
It was described as the "worst flood to hit the area in over 30 years".
Heavy Rain
at
Massey
Massey recorded 74 mm (7.4 cm) of rain in 24 hours on the 1st.
Heavy Rain
at
Pukekohe
Pukekohe recorded 72 mm (7.2 cm) of rain in 24 hours on the 1st.
Waikato
Heavy Rain
at
Waikato
High rainfall of 50-100 mm (5.0-10.0 cm) occurred in Northland, Auckland and Coromandel on the 1st.
References
- Major weather events in New Zealand, Floods and High Rainfall, Floods to 30 Sept 2005.
- www.metservice, notable weather events.govt.nz.
- Meteorological Society of New Zealand (Inc.) Newsletter 97, June 2004.
- Headline: Late-night floods hit Henderson homes.
- The New Zealand Herald, 3 May 2004.
May 2004 Auckland Flooding
(
2004-05-01
)
30 years
Heavy rain fell in Northland, Auckland and the Coromandel, and caused flooding in Henderson. People were evacuated at Henderson and properties were damaged.
North Island
Multi Hazard
at
North Island
Duration: 2 days - From the 1st to the 2nd of May.
On the 1st, an occluded front moved south-east on to northern New Zealand. Moist unstable air along the front where low level convergence was taking place brought heavy rain. The front moved slowly across the Auckland region overnight on the 1st/2nd.
Northland
Heavy Rain
at
Northland
High rainfall of 50-100 mm (5.0-10.0 cm) occurred in Northland, Auckland and Coromandel on the 1st.
Auckland
Heavy Rain
at
Auckland
High rainfall of 50-100 mm (5.0-10.0 cm) occurred in Northland, Auckland and Coromandel on the 1st.
Heavy Rain
at
Auckland International Airport
Auckland Airport recorded 84.4 mm (8.4 cm) of rain in 19 hours on the 1st.
Auckland Airport recorded 17 mm (1.7 cm) of rain in one hour on the 1st.
Heavy Rain
at
Henderson
Henderson recorded 90 mm (9.0 cm) of rain in 24 hours on the 1st.
Henderson recorded 30 mm (3.0 cm) of rain in 30 minutes on the 1st.
Steady rain was followed by a sudden thunderstorm.
Flooding
The torrential rain caused Opanuku Stream at the eastern foot of the Waitakere Ranges to suddenly flood and burst its banks, inundating 40 houses on Henderson Valley Road.
The water was over 1 m deep inside houses and garages.
20 houses were evacuated at Henderson due to the flooding.
The flood waters soaked homes, flattened fences and ruined appliances.
It was described as the "worst flood to hit the area in over 30 years".
Heavy Rain
at
Massey
Massey recorded 74 mm (7.4 cm) of rain in 24 hours on the 1st.
Heavy Rain
at
Pukekohe
Pukekohe recorded 72 mm (7.2 cm) of rain in 24 hours on the 1st.
Waikato
Heavy Rain
at
Waikato
High rainfall of 50-100 mm (5.0-10.0 cm) occurred in Northland, Auckland and Coromandel on the 1st.
References
- Major weather events in New Zealand, Floods and High Rainfall, Floods to 30 Sept 2005.
- www.metservice, notable weather events.govt.nz.
- Meteorological Society of New Zealand (Inc.) Newsletter 97, June 2004.
- Headline: Late-night floods hit Henderson homes.
- The New Zealand Herald, 3 May 2004.